Pith Number

pith:DAQ5JBAT

pith:2025:DAQ5JBATHT254EZ2SSHYOO2HL3

not attested not anchored not stored refs pending

Efficient classical computation of the neural tangent kernel of quantum neural networks

Anderson Melchor Hernandez, Davide Pastorello, Giacomo De Palma

arxiv:2508.04498 v2 · 2025-08-06 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAQ5JBATHT254EZ2SSHYOO2HL3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-22T01:03:44.982230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1821d484133cf5de133a948f873b475ef81fd2a3ec564768b4c010406f1fd546

Aliases

arxiv: 2508.04498 · arxiv_version: 2508.04498v2 · doi: 10.48550/arxiv.2508.04498 · pith_short_12: DAQ5JBATHT25 · pith_short_16: DAQ5JBATHT254EZ2 · pith_short_8: DAQ5JBAT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DAQ5JBATHT254EZ2SSHYOO2HL3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1821d484133cf5de133a948f873b475ef81fd2a3ec564768b4c010406f1fd546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43dc01922373def814ec858094cd78c2796e946d516569d55f710b3b3ad20e66",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-06T14:48:01Z",
    "title_canon_sha256": "ab9b206c60b0ace318feae37682187f9b33adbdc8e1ac18c879ccceae9222f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.04498",
    "kind": "arxiv",
    "version": 2
  }
}